Clamp for fastening a trackball to a computer keyboard



FIG. 1 is a front, right, and top view of a clamp for fastening a trackball to a computer keyboard showing my new design;

FIG. 2 is front elevational view thereof, the rear view being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a clamp for fastening a trackball to a computer keyboard, as shown and described. 